i cant
not talking to you
Sorry I didn't understand that "unwanted coin" mean "sending from other coins".
Unless I am mistaken, addresses are formatted differently depending of the coins.
Even if you can, it goes back to my point : when you send a transaction, you transmit your IP to the exchanges. The exchange is nothing more than a node.
Then the exchange send multiple transaction to your main MastiffCoin address which is linked to at least one IP.
To ensure that the mixing work you must send AND receive from different IP every single time you use the mixer.